exclude vendor folder from exteneded env docs

Signed-off-by: jkoberg <jkoberg@owncloud.com>

docs/helpers/extendedEnv.go

@@ -69,7 +69,7 @@ func GetRogueEnvs() {
 		log.Fatal(err)
 	}
 	fmt.Println("Gathering variable definitions from source")
-	out, err := exec.Command("sh", "-c", "grep -RHn os.Getenv | grep -v extendedEnv.go |grep \\.go").Output()
+	out, err := exec.Command("sh", "-c", "grep -RHn os.Getenv --exclude-dir=vendor | grep -v extendedEnv.go |grep \\.go").Output()
 	if err != nil {
 		log.Fatal(err)
 	}